<template>
    <view>
        <view class="uni-padding-wrap uni-common-mt">
            <view class="uni-title uni-common-mt">默认样式</view>
            <view>
                <checkbox-group>
                    <label>
                        <checkbox value="cb" checked="true" />选中
                    </label>
                    <label>
                        <checkbox value="cb" disabled="ture"/>未选中
                    </label>
                </checkbox-group>
            </view>
            <view class="uni-title uni-common-mt">不同颜色和尺寸的checkbox</view>
            <view>
                <checkbox-group>
                    <label>
                        <checkbox value="cb" checked="true" color="#FFCC33" style="transform:scale(0.7)" />选中
                    </label>
                    <label>
                        <checkbox value="cb" color="#FFCC33" style="transform:scale(0.7)" />未选中
                    </label>
                </checkbox-group>
            </view>
        </view>

        <view class="uni-padding-wrap">
            <view class="uni-title uni-common-mt">
                推荐展示样式
                <text>\n使用 uni-list 布局</text>
            </view>
        </view>
        <view class="uni-list">
            <checkbox-group @change="checkboxChange">
                <label class="uni-list-cell uni-list-cell-pd" v-for="item in items" :key="item.value">
                    <view>
                        <checkbox :value="item.value" :checked="item.checked" />{{item.name}}
                    </view>
                    <!-- <view>{{item.name}}</view> -->
                </label>
            </checkbox-group>
        </view>
    </view>
</template>
<script>
    export default {
        data() {
            return {
                title: 'checkbox 复选框',
                items: [{
                        value: 'USA',
                        name: '美国'
                    },
                    {
                        value: 'CHN',
                        name: '中国',
                        checked: 'true'
                    },
                    {
                        value: 'BRA',
                        name: '巴西'
                    },
                    {
                        value: 'JPN',
                        name: '日本'
                    },
                    {
                        value: 'ENG',
                        name: '英国'
                    },
                    {
                        value: 'FRA',
                        name: '法国'
                    }
                ]
            }
        },
        methods: {
            checkboxChange: function (e) {
                var items = this.items,
                    values = e.detail.value;
                for (var i = 0, lenI = items.length; i < lenI; ++i) {
                    const item = items[i]
                    if(values.includes(item.value)){
                        this.$set(item,'checked',true)
                    }else{
                        this.$set(item,'checked',false)
                    }
                }
            }
        }
    }
</script>

<style>
.uni-list-cell {
    justify-content: flex-start
}
</style>